Rana, Jigyasa, et al. “Comparative Gross Morphological Studies on the Lower Jaw (Mandible) of Cattle Egret (Bubulcus ibis), Jungle Babbler (Turdoides striata), Yellow-Footed Green Pigeon (Treron phoenicoptera), Barn Owl (Tyto Alba) and Shikra (Accipiter Badius)”. International Journal of Livestock Research, vol. 10, no. 10, Oct. 2020, pp. 105-10, doi:10.5455/ijlr.20200731080952 .